US5546737A - Mowing device for stalky stem products - Google Patents

Mowing device for stalky stem products Download PDF

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Publication number
US5546737A
US5546737A US08/405,536 US40553695A US5546737A US 5546737 A US5546737 A US 5546737A US 40553695 A US40553695 A US 40553695A US 5546737 A US5546737 A US 5546737A
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US
United States
Prior art keywords
disc
transporting
mowing device
cutting
cutting disc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US08/405,536
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English (en)
Inventor
Karl Moosbrucker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Claas Saulgau GmbH
Original Assignee
Claas Saulgau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19944409788 external-priority patent/DE4409788C2/de
Application filed by Claas Saulgau GmbH filed Critical Claas Saulgau GmbH
Assigned to CLAAS SAULGAU GMBH reassignment CLAAS SAULGAU GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MOOSBRUCKER, KARL
Application granted granted Critical
Publication of US5546737A publication Critical patent/US5546737A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D43/00—Mowers combined with apparatus performing additional operations while mowing
    • A01D43/08—Mowers combined with apparatus performing additional operations while mowing with means for cutting up the mown crop, e.g. forage harvesters
    • A01D43/081—Mowers combined with apparatus performing additional operations while mowing with means for cutting up the mown crop, e.g. forage harvesters specially adapted for ensilage of maize
    • A01D43/082—Gathering units

Definitions

  • the present invention relates to a mowing device for stalky stem products.
  • a mowing device which has a rotatable cutting disc and a coaxial transporting disc with a plurality of pocket-shaped recesses for receiving stalky stem products.
  • Mowing arrangements of this type are known in the art. Some of these mowing arrangements are disclosed for example in German references DE-OS 33 08 077, and DE-GM 91 09 490.
  • the function of such mowing devices is to mow stem products arranged in rows or wide sowing, in particular corn and to transport the mowed stalks to a discharge location. It is important to firmly hold the stalks during cutting and retain the separated stalks on their feet during transportation. These conditions are satisfied in the German document DE-OS 33 08 077 relatively satisfactorily.
  • the transporting discs provided in the construction of this reference have however the disadvantage that they rotate in the same direction, while with a lower speed, as the cutting discs. The peripheral speed of the cutting discs must therefore be held so high as when they must provide cutting as in a free cut. This causes a great power consumption, high wear and high damage risk for the cutter.
  • Another problem is to prevent that the cut stem product stalks fall forwardly but are retained in the transporting discs.
  • it has been proposed to arrange on the upper side of the cutting disc a plurality of strip-shaped guiding plates spaced from one another and inclined to a tangent of the cutting disc, so as to engage the stalk feet and guide them radially inwardly.
  • the action of such guiding plates has been confirmed by experiments.
  • the operation of the cutting discs is hindered and is especially in the event of thin, moist stem products or green roots which lead to clogging since the green product is caught on the end surface of the guiding plate and does not run off them.
  • the stem product stalks during cutting are supported against parts of the transporting disc and the cutting discs can be driven with a relatively low peripheral speed.
  • the pocket-shaped recesses of the transporting disc can have a substantially right angle with an outwardly open V-shape.
  • the V-shaped recesses can be opened both upwardly and downwardly and formed as large-surface pockets which receive the stem product stalks and transport to a discharge point.
  • the cutting disc can be provided with a plurality of plates under the transporting disc.
  • the cutting edges of the blades can be inclined in a peripheral direction forwardly at the outer diameter.
  • the cutting edges and the transporting surfaces of the pockets can be substantially parallel.
  • the cutters can be formed so that their cutting edges are lower than the surfaces of the cutters facing back in the peripheral direction.
  • the outer diameter of the cutting discs can be somewhat smaller than the outer diameter of the transporting discs.
  • a stationary or rotatable reamer is located at the discharge point for the cut stem product stalks to press the stalks from the pockets of the transporting disc.
  • one or several identical transporting discs can be arranged over the transporting disc which overlaps the cutting disc and rotates in the same direction.
  • the upwardly located transporting discs can rotate with the same or lower peripheral speed than the lower transporting discs.
  • a reamer can also be associated with the upwardly located transporting discs.
  • the upper side of the cutting disc is provided with a plurality of inclined or with arcuate notches, or raised, but lower ribs, which are arranged relative to the tangent so that they can slide radially inwardly the stem product stalks moved in the recessed of the transporting disc relative to the cutting disc, for example by friction.
  • the cutting discs inside the cutting region can be provided with one or several circular-ring-shaped depressions in which the feet of the stem product stalks can engage after cutting. It is also possible to provide further means which determines the transporting direction on the cutting disc so that green roots engaged between the cutting disc and the transporting disc or fine stem parts can be transported outwardly.
  • stem product stalks can engage in the space between the cutting disc and the transporting disc without damage and face inwardly, without pulling the thin stems or green roots in the peripheral direction of the discs or remove them further outwardly.
  • FIG. 1 is a view from above of a mowing device in accordance with the present invention
  • FIG. 2 is a view showing a partial section of the inventive mowing device in direction of the arrow X;
  • FIG. 3 is a side view of the inventive mowing device
  • FIG. 4 is a view showing a section of a cutting disc and a transporting disc located above the cutting disc, of the inventive mowing device as seen from above;
  • FIG. 5 is a view showing a section C--C of a cutting disc of the inventive mowing device on an enlarged scale
  • FIG. 6 is a view substantially corresponding to the view of FIG. 5 but showing another embodiment of the present invention.
  • FIG. 7 is a side view of the section of the cutting disc shown in FIG. 4;
  • FIG. 8 is a view substantially corresponding to the view of FIG. 4 but showing another embodiment of the present invention.
  • FIG. 9 is a side sectional view of a cutting disc and a transporting disc above it of the inventive mowing device.
  • FIG. 10 is a plan view of the cutting disc of the inventive mowing device of FIG. 9.
  • a mowing device in accordance with the present invention has a supporting arm 2 which extends forwardly in a traveling direction on a machine frame 1 which is not shown in great detail.
  • the supporting arm is expanded to form a bearing member 3 with a vertical opening 4.
  • An axle 5 is fixedly pressed in the opening 4.
  • a bearing bushing 6 is rotatably supported on the lower end of the axle 5.
  • a pulley 7 is fixedly connected with the bearing bushing 6. It is in operative connection with a lower drive chain 8.
  • a cutting disc 9 is fixedly connected with the bearing bushing 6. It is provided on its periphery with a plurality of cutters 10 having cutting edges 11. The cutting disc 9 is driven by the lower drive chain 8 in direction of the arrow C.
  • the cutting edges 11 are arranged at an angle of substantially 45° to the radii so that the outer tip of the cutting edge 11 extends in the rotary direction.
  • the cutters 10 are slightly inclined outwardly from the plane of the cutting disc 9, so that these surfaces which run after are substantially higher than the cutting edges 11.
  • a transporting disc 12 is rotatably and driveably supported above the cutting disc 9 on the axle 5. It is driven by a pulley 13 and a central drive chain 14.
  • the transporting disc 12 is provided on its periphery with a plurality of pocket disc-shaped recesses which are V-shaped and have an angle of 90° and expand outwardly.
  • a wave-shaped, downwardly directed web is fixedly connected with the transporting disc and follows the pocket-shaped recesses 15.
  • the transporting disc 12 is driven in direction of the arrow B.
  • a further transporting disc 17 designed substantially similar to the transporting disc 12 is located above the bearing member 3 on the axle 5. It is driven by an upper drive chain 18 in the same rotary direction as the transporting disc 12.
  • the upper transporting disc can have the same or substantially outer diameter than the transporting disc 12.
  • the peripheral speed of the transporting disc 17 can be equal or preferably smaller than that of the transporting disc 12.
  • Bracket-shaped reamers are provided above the transporting discs 12, 17. They are arranged in the drawing region at a distance from the pocket-shaped recesses 15. However, in the discharge region they extend so far outwardly that they press the stem product stalks transported in the pocket-shaped recesses out of the pockets.
  • a stationary protective plate 21 is mounted on one or several arms 20 of the supporting arm 2. It covers the drive of the mowing device forwardly and at the side.
  • a stationary sliding shoe 22 supports the moving device under the cutting disc 9.
  • the mowing device is moved opposite to the direction of the arrow X forwardly.
  • Corn stalks arranged in rows or wide sowing move into one of the rotating pocket-shaped recesses 15. They are engaged there by one of the cutting edges 11, pressed in direction to one of the transporting surfaces of the transporting disc 12 and cut.
  • the cut stalks remain, due to the friction to their feet against the cutters 10, always with a moderate pressure on the transporting surfaces.
  • the twisting of the cutters imparts to the feet of the stalks a small pulse upwardly, so that a multi-cut is avoided.
  • An upper part of the stem product stalk moves in the actuation region of a pocket shaped recess 15 of an upper transporting disc 17 and is further transported from it.
  • the peripheral speed of the upper transporting disc 17 is smaller than the peripheral speed of the lower transporting disc 12, the upper part of the stalk moves back relative to its foot so that it can be easier engaged by a not shown mowing device.
  • a lower transporting disc 32 and an upper transporting disc 33, as well as a cutting disc 34 independent from the transporting discs are rotatably and driveably supported on an axle 31.
  • the cutting disc 34 is driven in direction of the arrow A. On its periphery it is provided with a plurality of cutters 35.
  • the transporting discs 32 and 33 are driven in direction of the arrow B. They have on their periphery a plurality of pocket-shaped recesses 36.
  • the cutting discs 34 have substantially arcuate notches 37 in the inner region of the cutters 35 on their outer surface as shown in FIG. 5.
  • they can be provided with arcuate raised ribs 38 shown in FIG. 6, which are arranged to the tangent so that their beginning portion in the running direction is radially further outwardly than the following end as considered in the running direction.
  • a further series of arcuate notches 39 or raised ribs 40 are provided radially inwardly of the arcuate notches 37 or raised ribs 38. Their beginning in the running direction is radically further inwardly than their following end.
  • the cutting disc 41 is provided radially inwardly of the cutters 35 with a depression 42 in a circular-ring shape.
  • the feet of the cut stem product stalks can engage in the depression after the cutting.
  • FIG. 5, FIG. 6, FIGS. 9, 10 operate so that the cut stem product stalks face inwardly as shown in FIGS. 5 and 6 or retained in the inner region as shown in FIGS. 9 and 10. Thereby the stem product stalks remain reliably in the operating region of the pocket-shaped recesses 36 of the transporting discs 32, 33 and are transported there to a discharge point.
  • green roots or small stem parts are engaged by the inner row of notches 39 or ribs 40 are transported outwardly.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Threshing Machine Elements (AREA)
  • Cultivation Of Plants (AREA)
  • Milling Processes (AREA)
US08/405,536 1994-03-22 1995-03-16 Mowing device for stalky stem products Expired - Fee Related US5546737A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19944409788 DE4409788C2 (de) 1994-03-22 1994-03-22 Mähvorrichtung für stengeliges Halmgut
DE4409788.3 1994-03-22
DE4442164.8 1994-11-26
DE4442164A DE4442164C2 (de) 1994-03-22 1994-11-26 Mähvorrichtung für stengeliges Halmgut

Publications (1)

Publication Number Publication Date
US5546737A true US5546737A (en) 1996-08-20

Family

ID=25934941

Family Applications (1)

Application Number Title Priority Date Filing Date
US08/405,536 Expired - Fee Related US5546737A (en) 1994-03-22 1995-03-16 Mowing device for stalky stem products

Country Status (8)

Country Link
US (1) US5546737A (de)
EP (1) EP0673594B1 (de)
AT (1) ATE174752T1 (de)
CZ (1) CZ288506B6 (de)
DE (2) DE4442164C2 (de)
HU (1) HU217932B (de)
RU (1) RU2136135C1 (de)
UA (1) UA41899C2 (de)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5651243A (en) * 1994-11-18 1997-07-29 Claas Saulgau Gmbh Cutting and transporting mechanism for stalk agricultural products
US5832707A (en) * 1996-04-22 1998-11-10 Glass Saulgau Gmbh Cutting and transporting device for blade products with stalks
US6032444A (en) * 1997-06-04 2000-03-07 Hay & Forage Industries Non-row-sensitive forage harvester
US6272820B1 (en) * 1998-10-06 2001-08-14 Claas Selbstfahrende Erntemaschinen Gmbh Sugar cane harvester
US6374587B1 (en) 1999-08-21 2002-04-23 Deere & Company Harvesting device for harvesting ears of corn and similar crops
EP1247440A1 (de) * 2001-04-04 2002-10-09 Maschinenfabrik Bernard Krone GmbH Erntemaschine für stengelartiges Erntegut
US6588190B2 (en) 2001-02-22 2003-07-08 Maschinenfabrik Kemper Gmbh & Co. Kg Shield fixed over crop conveyor wheel of machine for mowing stalk-like crops
US20040144074A1 (en) * 2002-12-11 2004-07-29 Clemens Rickert Gathering and picking device
US20050005589A1 (en) * 2003-07-08 2005-01-13 Deere & Company, A Delaware Corporation. Header for harvesting crops having stalks
WO2008070904A1 (en) * 2006-12-11 2008-06-19 Cannavan Cane Technology Pty Ltd Sugarcane harvester with a rotating member and a counter rotating blade member
US20100139229A1 (en) * 2008-12-08 2010-06-10 Teetaert Pierre E Header for a forage harvester
US20100175356A1 (en) * 2006-01-11 2010-07-15 Carl Geringhoff Gmbh & Co. Kg Picking arrangement
US20120174554A1 (en) * 2010-07-02 2012-07-12 Jens Grobmeier Conveyor, Particularly for a Machine for Mowing Stalk-like Crops
US20120240544A1 (en) * 2011-03-25 2012-09-27 Hinds Michael L Basecutter For A Harvester
US9894838B2 (en) 2013-09-10 2018-02-20 Cnh Industrial America Llc Basecutter blade for a cane harvester
US20180242524A1 (en) * 2015-09-08 2018-08-30 Carl Geringhoff Gmbh & Co. Kg Device for Harvesting Stalk Material
CN108990532A (zh) * 2018-09-07 2018-12-14 深圳大学 一种菠萝收割机
US10582661B2 (en) * 2015-12-18 2020-03-10 Kopper Kutter, LLC System and method for converting cutting and gathering system of a corn head
US11154009B2 (en) * 2018-05-03 2021-10-26 Horning Manufacturing, LLC Single disk rotary forage harvester header

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729534B1 (fr) * 1994-11-18 1999-01-15 Claas Saulgau Gmbh Dispositif de coupe et de transport pour des produits agricoles a tiges
DE29518742U1 (de) * 1995-11-27 1997-04-10 Claas Saulgau Gmbh, 88348 Saulgau Mäh- und Fördervorrichtung für stengeliges Erntegut
DE19706332A1 (de) * 1997-02-19 1998-08-20 Claas Saulgau Gmbh Schneid- und Fördervorrichtung für stengeliges Halmgut
WO2001005219A1 (de) * 1999-07-19 2001-01-25 Maschinenfabrik Bernard Krone Gmbh Erntegerät
DE10103595C1 (de) * 2001-01-26 2002-06-20 Case Harvesting Sys Gmbh Schneid-und Fördervorrichtung für ein reihenunabhängig arbeitendes Schneidwek
DE10254082B3 (de) * 2002-11-20 2004-01-08 Maschinenfabrik Bernard Krone Gmbh Erntegerät
DE102007062455A1 (de) * 2007-12-22 2009-06-25 Maschinenfabrik Kemper Gmbh & Co. Kg Maschine zur Ernte stängelartiger Pflanzen
CN103858617A (zh) * 2012-12-15 2014-06-18 江苏沃得机电集团有限公司 用于切草器的定刀组合
CN103004367B (zh) * 2012-12-31 2014-12-10 常蓬彬 适应不同株径的不分行玉米秸秆收获机割台

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940913A (en) * 1973-05-17 1976-03-02 Koehring Company Row crop harvesting apparatus
US4083167A (en) * 1976-08-11 1978-04-11 Sperry Rand Corporation Multi-row crop header
US4266394A (en) * 1978-09-18 1981-05-12 Sperry Corporation Gathering means mounting assembly for row crop harvesters
DE3308077A1 (de) * 1983-03-08 1984-09-13 Maschinenfabrik Kemper Gmbh, 4424 Stadtlohn Maschine zum maehen und haeckseln von mais oder aehnlichen stengelartigen erntegut
US4478027A (en) * 1981-05-08 1984-10-23 Sperry Corporation Mower-conditioner
DE9109490U1 (de) * 1991-07-31 1992-08-27 Karl Mengele & Söhne, Maschinenfabriken GmbH & Co, 8870 Günzburg Mähvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127388A1 (de) * 1981-07-10 1983-02-03 Alois Pöttinger Maschinenfabrik GmbH, 4710 Grieskirchen Mehrreihige erntemaschine, insbesondere fuer mais
DE4111981A1 (de) * 1991-04-12 1992-10-15 Kemper Gmbh Maschf Maschine zum maehen und haeckseln von mais und dgl. stengelartigem erntegut
DE4409788C2 (de) * 1994-03-22 1996-04-18 Karl Moosbrucker Mähvorrichtung für stengeliges Halmgut
DE4441078C2 (de) * 1994-11-18 1999-06-17 Claas Saulgau Gmbh Schneid- und Fördervorrichtung für stengeliges Halmgut

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940913A (en) * 1973-05-17 1976-03-02 Koehring Company Row crop harvesting apparatus
US4083167A (en) * 1976-08-11 1978-04-11 Sperry Rand Corporation Multi-row crop header
US4266394A (en) * 1978-09-18 1981-05-12 Sperry Corporation Gathering means mounting assembly for row crop harvesters
US4478027A (en) * 1981-05-08 1984-10-23 Sperry Corporation Mower-conditioner
DE3308077A1 (de) * 1983-03-08 1984-09-13 Maschinenfabrik Kemper Gmbh, 4424 Stadtlohn Maschine zum maehen und haeckseln von mais oder aehnlichen stengelartigen erntegut
DE9109490U1 (de) * 1991-07-31 1992-08-27 Karl Mengele & Söhne, Maschinenfabriken GmbH & Co, 8870 Günzburg Mähvorrichtung

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5651243A (en) * 1994-11-18 1997-07-29 Claas Saulgau Gmbh Cutting and transporting mechanism for stalk agricultural products
US5832707A (en) * 1996-04-22 1998-11-10 Glass Saulgau Gmbh Cutting and transporting device for blade products with stalks
US6032444A (en) * 1997-06-04 2000-03-07 Hay & Forage Industries Non-row-sensitive forage harvester
US6272820B1 (en) * 1998-10-06 2001-08-14 Claas Selbstfahrende Erntemaschinen Gmbh Sugar cane harvester
US6374587B1 (en) 1999-08-21 2002-04-23 Deere & Company Harvesting device for harvesting ears of corn and similar crops
US6782682B2 (en) 2001-02-22 2004-08-31 Maschinenfabrik Kemper Gmbh & Co. Kg Shield fixed over crop conveyor wheel of machine for mowing stalk-like crops
US6588190B2 (en) 2001-02-22 2003-07-08 Maschinenfabrik Kemper Gmbh & Co. Kg Shield fixed over crop conveyor wheel of machine for mowing stalk-like crops
EP1247440A1 (de) * 2001-04-04 2002-10-09 Maschinenfabrik Bernard Krone GmbH Erntemaschine für stengelartiges Erntegut
US20040144074A1 (en) * 2002-12-11 2004-07-29 Clemens Rickert Gathering and picking device
US7062897B2 (en) * 2002-12-11 2006-06-20 Maschinenfabrik Kemper Gmbh & Co Kg Gathering and picking device
US20050005589A1 (en) * 2003-07-08 2005-01-13 Deere & Company, A Delaware Corporation. Header for harvesting crops having stalks
US7222478B2 (en) * 2003-07-08 2007-05-29 Deere & Company Header for harvesting crops having stalks
US8028507B2 (en) * 2006-01-11 2011-10-04 Carl Geringhoff Gmbh & Co. Kg Picking arrangement for picking fruit on an elongate stem
US20100175356A1 (en) * 2006-01-11 2010-07-15 Carl Geringhoff Gmbh & Co. Kg Picking arrangement
WO2008070904A1 (en) * 2006-12-11 2008-06-19 Cannavan Cane Technology Pty Ltd Sugarcane harvester with a rotating member and a counter rotating blade member
US20100115904A1 (en) * 2006-12-11 2010-05-13 Cannavan Cane Technology Pty Ltd Sugarcane harvester with a rotating member and a counter rotating blade member
US20100139229A1 (en) * 2008-12-08 2010-06-10 Teetaert Pierre E Header for a forage harvester
US8091328B2 (en) * 2008-12-08 2012-01-10 Cnh America Llc Header for a forage harvester
US20120174554A1 (en) * 2010-07-02 2012-07-12 Jens Grobmeier Conveyor, Particularly for a Machine for Mowing Stalk-like Crops
US8468790B2 (en) * 2010-07-02 2013-06-25 Deere & Company Machine for mowing stalk-like crops with conveying disks
US20120240544A1 (en) * 2011-03-25 2012-09-27 Hinds Michael L Basecutter For A Harvester
US8578688B2 (en) * 2011-03-25 2013-11-12 Deere & Company Basecutter for a harvester
US9894838B2 (en) 2013-09-10 2018-02-20 Cnh Industrial America Llc Basecutter blade for a cane harvester
US20180242524A1 (en) * 2015-09-08 2018-08-30 Carl Geringhoff Gmbh & Co. Kg Device for Harvesting Stalk Material
US10582661B2 (en) * 2015-12-18 2020-03-10 Kopper Kutter, LLC System and method for converting cutting and gathering system of a corn head
US11154009B2 (en) * 2018-05-03 2021-10-26 Horning Manufacturing, LLC Single disk rotary forage harvester header
CN108990532A (zh) * 2018-09-07 2018-12-14 深圳大学 一种菠萝收割机
CN108990532B (zh) * 2018-09-07 2021-10-26 深圳大学 一种菠萝收割机

Also Published As

Publication number Publication date
EP0673594A1 (de) 1995-09-27
DE4442164C2 (de) 1999-06-10
ATE174752T1 (de) 1999-01-15
HUT70655A (en) 1995-10-30
RU95104319A (ru) 1997-02-20
HU9500697D0 (en) 1995-04-28
DE4442164A1 (de) 1996-05-30
EP0673594B1 (de) 1998-12-23
HU217932B (hu) 2000-05-28
CZ288506B6 (cs) 2001-07-11
RU2136135C1 (ru) 1999-09-10
DE59504599D1 (de) 1999-02-04
UA41899C2 (uk) 2001-10-15
CZ69795A3 (en) 1995-10-18

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AS Assignment

Owner name: CLAAS SAULGAU GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MOOSBRUCKER, KARL;REEL/FRAME:007458/0981

Effective date: 19950308

REMI Maintenance fee reminder mailed
LAPS Lapse for failure to pay maintenance fees
FP Lapsed due to failure to pay maintenance fee

Effective date: 20000820

STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362